Re: [PATCH] media: atomisp: restore missing 'return' statement

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On Mon, Aug 02, 2021 at 04:38:14PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
> 
> The input_system_configure_channel_sensor() function lost its final
> return code in a previous patch:
> 
> drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c: In function 'input_system_configure_channel_sensor':
> drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c:1649:1: error: control reaches end of non-void function [-Werror=return-type]
> 
> Restore what was there originally.
> 
> Fixes: 728a5c64ae5f ("media: atomisp: remove dublicate code")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

I hit this too. Thanks!

Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>

-Kees

> ---
>  .../media/atomisp/pci/hive_isp_css_common/host/input_system.c   | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c b/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c
> index 8e085dda0c18..712e01c37870 100644
> --- a/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c
> +++ b/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c
> @@ -1646,6 +1646,8 @@ static input_system_err_t input_system_configure_channel_sensor(
>  	default:
>  		return INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED;
>  	}
> +
> +	return INPUT_SYSTEM_ERR_NO_ERROR;
>  }
>  
>  // Test flags and set structure.
> -- 
> 2.29.2
> 

-- 
Kees Cook




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